Home / 3,875.90-5,348.74-2,197.42

Finding the Fourth Proportional to 3,875.90, 5,348.74 and 2,197.42

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Solution

The fourth proportional to 3,875.90, 5,348.74 and 2,197.42 is: 3,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.90 : 5,348.74 = 2,197.42 : x
  2. Step 2: Convert to fraction form
    3,875.90/5,348.74 = 2,197.42/x
  3. Step 3: Cross multiply
    3,875.90x = 5,348.74 × 2,197.42
  4. Step 4: Simplify right side
    3,875.90x = 11,753,428.25
  5. Step 5: Solve for x
    x = 11,753,428.25/3,875.90
  6. Step 6: Final answer
    x = 3,032.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.